System Layout 1-9 - Viessmann B2HB 45 Installation Instructions Manual

Vitodens 200-W B2HB 45, 57 Installation
System Layout 1
Vitodens 200-W, B2HB with a direct-connected heating circuit
Legend
A Vitodens 200-W B2HB boiler with
Vitotronic 200, HO1B outdoor reset control
B Outdoor temperature sensor !
C Vitotrol remote (optional)
D Heating circuit
E Heating circuit pump
F DHW circulating pump sA
G DHW storage tank
H DHW tank temperature sensor %
I Expansion tank
J Flow check valve
K DHW recirculation pump
L Temperature and pressure relief valve
M Pressure relief valve
* Function based on coding of address 33
20
*
28/20
Installation of ...
radiator heating circuit (high-temp. circuit)
■
DHW production
■
... with the following flow conditions:
The flow rate of the heating circuit is less than the
maximum possible water flow rate of the Vitodens 200-W
B2HB boiler (see page 31 for maximum water flow rate of
boiler).
The use of a low-loss header is strongly recommended if
the maximum water flow rate in the application concerned
exceeds the values shown in the applicable table on page
31, or if the system flow rates are unknown.
The low-loss header is available as accessory part.
See following pages for installation examples with a low-
loss header.
IMPORTANT
DHW circulating pump F must pump into the Vitodens
200-W boiler (as illustrated).
Boiler Connections
33